• Intelligent Methane (CH4) Gas Sensor 0~100% VOL
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Intelligent Methane (CH4) Gas Sensor 0~100% VOL

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  • Price

    Price on request   ≥1piece

  • Model Number

    MH-741A

  • Data Sheet

  • Package

    Original packaging

  • Specs

    MH-741A

  • Quantity

    - +

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Product Description

Intelligent CH4 Gas Sensor MH-741A

MH-741A CH4 Gas sensor is a common intelligent sensor in small sized to detect CH4 in air taking advantages of non-dispersive infrared principle. It has the advantages of good selectivity, oxygen independence, stable performance and long life. MH-741A is an infrared gas sensor in small sized combining mature technology for infrared absorption detection and micro-machining, superior circuit design closely. The sensor can be widely used in detection for fire disaster, explosive gases etc. 


Explosion Proof: ExmbⅡCT4

MH-741A Intelligent CH4 Gas Sensor Characteristics
• High Sensitivity and resolution
• 5V constant power supply, low power consumption
• IIC and 0.4-2V analog voltage signal variety of output
• Fast response and resume 
• Temperature compensation and excellent linear output 
• Excellent stability
• Long life
• Anti-poisons, anti-vapor interference


MH-741A Intelligent CH4 Gas Sensor Specification

Power Supply

4.5~5.5V DC

Working Current

120mA

Interface Power

5V

Output

IIC 0.4V~2V

Detected Range

0~100%vol can be specified

Warm-up Time

90s

Response Time

T90 <30s

Repeatability

Zero < ±10ppm

SPAN <±30ppm

Long-time Drift

Zero < ±30ppm/month

SPAN < ±30ppm/month

Temperature

-40°C ~70°C

Humidity

0~95%RH

Life

>5 year

Explosion-proof

ExdmⅡCT4

Protection Class

IP54


MH-741A Intelligent CH4 Gas Sensor Detected gas and detected range

Detected Gas

Gas Formula

Sensor Type

Detected Range

Resolution

Remarks

Methane

CH4

HC

0~5%VOL

0.01%VOL

Temperature compensation

Methane

CH4

HC

0~10%VOL

0.01%VOL

Temperature compensation

Methane

CH4

HC

0~100%VOL

0.1%VOL

Temperature compensation

Propane

C3H8

HC

0~2.1%VOL

0.01%VOL

Temperature compensation

Propane

C3H8

HC

0~100%VOL

0.1%VOL

Temperature compensation

Methyl chloride

CH3CL

HC

0~8.1%VOL

0.01%VOL

Temperature compensation

Methyl chloride

CH3CL

HC

0~100%VOL

0. 1%VOL

Temperature compensation

Gasoline

C3-C12

HC

0~1.1%VOL

0.01%VOL

No temperature compensation

cyclopentane

C5H10

HC

0~1.4%VOL

0.01%VOL

No temperature compensation

cyclohexane

C6H12

HC

0~1.3%VOL

0.01%VOL

No temperature compensation

Methanol

CH3OH

HC

0~6.7%VOL

0.06%VOL

No temperature compensation

Acetylene

C2H2

HC

0~2.1%VOL

0.02%VOL

Temperature compensation

Methylene chloride

CH2CL2

HC

0~15%VOL

0.15%VOL

No temperature compensation

Benzene

C6H6

HC

0~1.2%VOL

0.012%VOL

No temperature compensation

Methylbenzene

C7H8

HC

0~1.2%VOL

0.012%VOL

No temperature compensation

Alcohol

C2H5OH

HC

0~3.3%VOL

0.033%VOL

No temperature compensation

ethylene oxide

C2H4O

HC

0~3.0%VOL

0.03%VOL

No temperature compensation

Epichlorohydrin

C3H5CLO

HC

0~3.8%VOL

0.038%VOL

No temperature compensation

Propylene

C3H6

HC

0~2.0%VOL

0.02%VOL

Temperature compensation

Ethylene

C2H4

HC

0~2.7%VOL

0.027%VOL

Temperature compensation

chloropropene

C3H5CL

HC

0~2.9%VOL

0.029%VOL

No temperature compensation

Pentane

C5H12

HC

0~1.7%VOL

0.017%VOL

No temperature compensation

Ethane

CH3CH3

HC

0~3.0%VOL

0.03%VOL

Temperature compensation

Ethyl acetate

C4H8O2

HC

0~2.0%VOL

0.02%VOL

No temperature compensation

Iso-butane

C4H10

HC

0~1.8%VOL

0.018%VOL

Temperature compensation


MH-741A Intelligent CH4 Gas Sensor schematic structure